The cable channel told the Television Critics Association on Wednesday that the 65-year-old will write, executively produce and star in an HBO film directed by Greg Mottola. The network didn't announce a title.

Network executives say it's not a "Curb Your Enthusiasm" film, and David won't be playing himself in the movie.

HBO programming president Michael Lombardo says the "Seinfeld" co-creator hasn't "closed the door" on a possible ninth season of "Curb Your Enthusiasm."